[PATCH] xprtsock: Fix a loop in xs_tcp_setup_socket()

[Lex Siegel]

When using a bpf on kernel_connect(), the call can return -EPERM.
This causes xs_tcp_setup_socket() to loop forever, filling up the
syslog and causing the kernel to freeze up.

Signed-off-by: Lex Siegel <usiegl00@xxxxxxxxx>
---
 net/sunrpc/xprtsock.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index bb9b747d58a1..47b254806a08 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2446,6 +2446,8 @@ static void xs_tcp_setup_socket(struct work_struct *work)
 		/* Happens, for instance, if the user specified a link
 		 * local IPv6 address without a scope-id.
 		 */
+	case -EPERM:
+		/* Happens, for instance, if a bpf is preventing the connect */
 	case -ECONNREFUSED:
 	case -ECONNRESET:
 	case -ENETDOWN:
-- 
2.39.3